Digestive System

What is the main function of the small intestine?

• To digest food mechanically

• To absorb most of the nutrients and minerals from the food.

• To store bile produced by the liver

• To produce insulin for blood sugar regulation

What is peristalsis?

• A type of digestive enzyme that breaks down food.

• The wave-like muscle contractions that move food through the digestive tract.

• A condition that causes difficulty in swallowing.

• The process of absorbing nutrients in the intestines.

What happens in the stomach?

• Food is digested and absorbed into the bloodstream.

• Food is mixed with juices and is squeezed and churned until it becomes a thick liquid.

• Food is broken down into smaller pieces and stored for later use.

• Food is transformed into energy immediately.

What is mechanical digestion?

• Mechanical digestion is the process of chewing and grinding food into smaller pieces.

• Mechanical digestion involves the chemical breakdown of food by enzymes.

• Mechanical digestion refers to the absorption of nutrients in the intestines.

• Mechanical digestion is the process of storing food in the stomach.

What is the esophagus?

• A muscular tube that pushes food from the mouth to the stomach.

• A part of the brain that controls hunger.

• An organ that produces digestive enzymes.

• A type of muscle found in the heart.

What is the function of bile?

• Bile helps digest fats and is produced by the liver.

• Bile is responsible for producing insulin in the pancreas.

• Bile helps in the absorption of vitamins in the intestines.

• Bile is involved in the filtration of blood in the kidneys.

What is chemical digestion?

• Chemical digestion is the process where enzymes break down food into smaller molecules.

• Chemical digestion occurs only in the stomach.

• Chemical digestion is the mechanical breakdown of food.

• Chemical digestion involves the absorption of nutrients into the bloodstream.

What are villi?

• Tiny finger-like projections in the small intestine that increase surface area for absorption.

• Large flat structures in the stomach that aid in digestion.

• Cells in the liver that produce bile for fat digestion.

• Muscles in the intestines that help move food along.

What is the role of the pancreas in digestion?

• The pancreas produces hormones that regulate blood sugar levels.

• The pancreas produces enzymes that help digest carbohydrates, proteins, and fats.

• The pancreas stores bile produced by the liver.

• The pancreas absorbs nutrients from digested food.

What is the function of saliva in digestion?

• Saliva helps to lubricate food for easier swallowing.

• Saliva contains enzymes that begin the process of breaking down food in the mouth.

• Saliva neutralizes stomach acid before it reaches the intestines.

• Saliva acts as a barrier to prevent food from entering the windpipe.